make default highlighting a bit dimmer for neighbors in WindowNavigation.
make default highlighting a bit dimmer for neighbors in WindowNavigation.

darcs-hash:20080610174200-72aca-7a0322e2f2b74757ae46cfbd22fe13ca09af3fb7

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib